聚乙二醇辅助生长胶体银纳米颗粒的制备与表征

E. M. Mohamed, W. Eisa, T. Abdel-Baset, S. Mahrous
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引用次数: 2

摘要

以聚乙二醇(PEG)为原料,聚乙烯醇(PVA)为表面活性剂,在温和条件下制备了胶体银纳米颗粒。以乙二醇为还原剂,在室温下制备金属颗粒。在peg400中,Ag +1在环境条件下可以顺利还原为银纳米粒子。紫外可见研究表明,随着PEG用量的增加,Ag +1还原成纳米Ag的速率显著提高。透射显微镜图像表明,还原的银纳米颗粒呈球形。这里描述的途径被认为是制备纳米银的绿色途径。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Preparation and characterization of PEG-assisted growth of colloidal Ag nanoparticles
Colloidal Silver nanoparticles were prepared under mild conditions using poly (ethylene glycol) (PEG) in the presence of PVA as surfactant. Ethylene glycol was used as a reducing agent for the preparation of metal particles at room temperature. Ag +1 can be smoothly reduced to silver nanoparticles at ambient condition in PEG 400. UV-visible studies demonstrated that the reducing rate of Ag +1 to nano-Ag was remarkably enhanced with the increased amount of the PEG. The transmission microscope images prove that the reduced Ag nanoparticles were spherical in shape. The pathway described here was considered as a green route for preparation of silver nanoparticles.
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